205304640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{213859}}^1$

素因数の和:213879

約数の個数: 56

約数和(自身を含む): 651845280

約数和(自身を除く): 446540640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 213859, 427718, 641577, 855436, 1069295, 1283154, 1710872, 2138590, 2566308, 3207885, 3421744, 4277180, 5132616, 6415770, 6843488, 8554360, 10265232, 12831540, 13686976, 17108720, 20530464, 25663080, 34217440, 41060928, 51326160, 68434880, 102652320, 205304640]

約数ペア:

[(1, 205304640), (2, 102652320), (3, 68434880), (4, 51326160), (5, 41060928), (6, 34217440), (8, 25663080), (10, 20530464), (12, 17108720), (15, 13686976), (16, 12831540), (20, 10265232), (24, 8554360), (30, 6843488), (32, 6415770), (40, 5132616), (48, 4277180), (60, 3421744), (64, 3207885), (80, 2566308), (96, 2138590), (120, 1710872), (160, 1283154), (192, 1069295), (240, 855436), (320, 641577), (480, 427718), (960, 213859)]